Updated October 15, 2026

    North Fork Stanislaus River

    river in California

    Accessed via Highway 4, this river provides a mix of easy-to-reach and more remote sections for wading.

    Bite report · week of Oct 4

    October Caddis

    1. 01October Caddis, Blue-Winged Olives (BWOs), and Mahogany Duns are beginning to emerge, offering new dry fly and emerger opportunities.
    2. 02Terrestrial insects like Hoppers, Ants, and Beetles are still active, providing consistent surface action.
    3. 03Reports from September indicated 'hot' to 'solid' fishing, particularly with emerging fall hatches and lingering terrestrials.
    4. 04Wild Brown Trout, Brook Trout, and Rainbow Trout, typically 10-14 inches, are present throughout the river, with stocked Rainbows near popular access points.

    What to tie on

    Picked from reports, hatches and the season. Tap a fly for the recipe and where else it works.

    dry

    October Caddis (Dry)

    October Caddis (Dicosmoecus) adult
    #6#8#10

    Explicitly mentioned in recent intelligence reports as a primary fall hatch beginning to appear on the North Fork Stanislaus River.

    Buy at Amazon
    emerger

    Travis Hi-Vis BWO Para Emerger

    #18#20#22

    BWO emergers are crucial during fall hatches, and this high-visibility pattern helps spot subtle takes from trout on the North Fork Stanislaus River.

    dry

    Blue-Winged Olive Comparadun

    #18#20#22

    Blue-Winged Olives are beginning to appear, and this low-profile dry fly is excellent for selective trout feeding on emergers and adults on the North Fork Stanislaus River.

    terrestrial

    Bank Beetle

    #14#16

    Recent intelligence indicates terrestrial activity, including beetles, are still active along banks on the North Fork Stanislaus River.

    dry

    Mahogany Dun

    Paraleptophlebia adult
    #14#16#18

    Mahogany Dun hatches are beginning to appear, as indicated by recent intelligence for the fall season on the North Fork Stanislaus River.

    Buy at Amazon
    terrestrial

    Schroeder’s Parachute Hopper

    #6#8#10

    Recent intelligence indicates terrestrial activity, especially hoppers, are still a significant food source in early fall on the North Fork Stanislaus River.

    nymph

    Hare's Ear Nymph

    Mayfly nymph (general)
    #12#14#16#18

    A classic and versatile general searching nymph for mimicking active subsurface insects during the fall on the North Fork Stanislaus River.

    Buy at Amazon
    nymph

    Pheasant Tail Nymph

    Mayfly nymph (various)
    #14#16#18#20

    A strong seasonal standard nymph, effective for imitating various active mayfly nymphs subsurface during the fall on the North Fork Stanislaus River.

    Buy at Amazon

    Where to fish and who to ask

    The Trout Spot · Arnold1Boards Crossing2Dorrington3Spicer Reservoir Outlet
    AccessFly shop
    1

    Boards Crossing

    Popular camping and fishing area with good river access.

    38.330°N 119.980°WDirections
    2

    Dorrington

    Accessible sections near the community of Dorrington.

    38.310°N 120.240°WDirections
    3

    Spicer Reservoir Outlet

    The section immediately below Spicer Reservoir, often holding good fish.

    38.400°N 120.020°WDirections

    Fly shops within 40 miles

    15mi

    The Trout Spot

    Arnold, CA

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    California season by season

    What changes on the water through the year, with the flies for each season.

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    Quick answers

    Common questions about North Fork Stanislaus River.

    What flies work best on North Fork Stanislaus River?

    Our top scored fly patterns for North Fork Stanislaus River right now are October Caddis (Dry) (95% confidence), Travis Hi-Vis BWO Para Emerger (90% confidence), Blue-Winged Olive Comparadun (90% confidence). These picks are scored from recent fishing reports, hatch data, and seasonal patterns.

    What fish species are in North Fork Stanislaus River?

    North Fork Stanislaus River holds Rainbow Trout, Brown Trout. See the species links on this page for fly recommendations and seasonal behavior for each.

    Is North Fork Stanislaus River fishing well right now?

    We publish a fresh bite report for North Fork Stanislaus River each week based on recent on-the-water intel. The current report — with conditions, hatches, and what's producing — is on this page.